Home / 1,191,103.70-1,643,589.67-674,746.97

Finding the Fourth Proportional to 1,191,103.70, 1,643,589.67 and 674,746.97

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Solution

The fourth proportional to 1,191,103.70, 1,643,589.67 and 674,746.97 is: 931,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,103.70 : 1,643,589.67 = 674,746.97 : x
  2. Step 2: Convert to fraction form
    1,191,103.70/1,643,589.67 = 674,746.97/x
  3. Step 3: Cross multiply
    1,191,103.70x = 1,643,589.67 × 674,746.97
  4. Step 4: Simplify right side
    1,191,103.70x = 1,109,007,152,177.91
  5. Step 5: Solve for x
    x = 1,109,007,152,177.91/1,191,103.70
  6. Step 6: Final answer
    x = 931,075.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.